In subtropical climates, what is the primary outdoor role of the American cockroach before it enters a structure?

Answer

It thrives in sewers and storm drains, entering homes when conditions outside become too dry.

In consistently warm, subtropical climates, the American cockroach is primarily an outdoor pest thriving in drains, only seeking entry into homes when external conditions become too dry or when attracted by food odors.

In subtropical climates, what is the primary outdoor role of the American cockroach before it enters a structure?
locationinsectpestAmericacockroach